CN201419377Y - Mounting tool used for interference fit - Google Patents
Mounting tool used for interference fit Download PDFInfo
- Publication number
- CN201419377Y CN201419377Y CN2008201582851U CN200820158285U CN201419377Y CN 201419377 Y CN201419377 Y CN 201419377Y CN 2008201582851 U CN2008201582851 U CN 2008201582851U CN 200820158285 U CN200820158285 U CN 200820158285U CN 201419377 Y CN201419377 Y CN 201419377Y
- Authority
- CN
- China
- Prior art keywords
- handed
- thread
- interference fit
- screw rod
- mounting tool
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
Links
Images
Landscapes
- Hand Tools For Fitting Together And Separating, Or Other Hand Tools (AREA)
Abstract
The utility model relates to the assembling field of machine parts, in particular to a mounting tool used for interference fit. The mounting tool used for interference fit comprises a threaded rod (1)and a left-handed nut (2), and is characterized in that a right-handed screw thread (12) is machined on the threaded rod (1) near the end portion, a left-handed screw thread (11) is machined on the threaded rod (1) near the screwing end portion, the thread pitch of the left-handed screw thread (11) is bigger than that of the right-handed screw thread (12), and the left-handed nut (2) is screwed on the left-handed screw thread (11). The mounting tool used for interference fit has simple structure, easy operation and high efficiency.
Description
Technical field
The utility model relates to field, machine components installing area, is specially a kind of erecting tools that is used for interference fit.
Background technology
It is the work of relatively wasting time and energy during machinery is installed that interference is installed, because the slightly larger in diameter of axle is in the diameter in hole, need during installation by hot cover process or external force effect, but often because shaft-like work can not bear axial force, can not adopt the mode that directly applies external force, if at this moment the shaft-like work abutting end has screw, the mode that can adopt screw in compression with axis hole connect gradually near and compress.Yet also there are the following problems for this method: when screw screws, the length of screw can not surmount the effective thread degree of depth of shaft-like work screw, because the screw degree of depth is limited, so just occurred when hole workpiece does not also enter matching surface, screw or also do not enter screwed hole, can't screw in, or only enter 1,2 teeth, enough thrusts can't be provided.Just need this moment to use the screw of being longer than above-mentioned requirements earlier hole workpiece to be pressed into a part earlier, change the screw that satisfies above-mentioned requirements then and continue hole workpiece is compressed, thus, complex operation, inefficiency, and screw screws the surface of drawing hole workpiece in the process easily.
Summary of the invention
In order to overcome the defective of prior art, a kind of high and erecting tools of defective work piece not of facility, efficient of operating is provided, the utility model discloses a kind of erecting tools that is used for interference fit.
The utility model reaches goal of the invention by following technical solution:
A kind of erecting tools that is used for interference fit, comprise screw rod and left-handed nut, it is characterized in that: screw rod is processed with right-handed thread near the place, end, screw rod is processed with left hand thread near turning the place, end, the pitch of left hand thread is greater than the pitch of right-handed thread, and left-handed nut is spun on the left hand thread place of screw rod.
The described erecting tools that is used for interference fit is characterized in that: the diameter of thread of left hand thread is greater than the diameter of thread of right-handed thread.
During use, left-handed nut only keeps axial freedom makes it do rectilinear motion along screw axial, can not rotate, and the screw rod rotary power can be manual rotation, also can be electronic or pneumatic rotation.Like this, when entering the threaded engagement pair, the screw rod right-handed thread is rotated when motion, under the drive of left hand thread, left-handed nut can move in the same way with the screw axial motion that right-handed nut's rotation causes, and because of left hand thread pitch greater than right-handed thread pitch, so left-handed nut axially-movable speed faster than screw rod, thereby play the effect of hold-down apertures workpiece, because left-handed nut does not rotatablely move, and can not cause damage to the hole workpiece surface.
Description of drawings
Fig. 1 is a structural representation of the present utility model.
The specific embodiment
Below further specify the utility model by specific embodiment.
A kind of erecting tools that is used for interference fit, comprise screw rod 1 and left-handed nut 2, as shown in Figure 1, concrete structure is: screw rod 1 is processed with right-handed thread 12 near the place, end, screw rod 1 is processed with left hand thread 11 near turning the place, end, the pitch of left hand thread 11 is greater than the pitch of right-handed thread 12, and left-handed nut 2 is spun on left hand thread 11 places of screw rod 1.
During use, earlier clamp left-handed nut 2 to limit its rotary freedom with spanner, what 2 of left-handed nuts kept that axial freedom can only be along screw rod 1 like this axially does rectilinear motion, can not rotate around screw rod 1, the rotary power of screw rod 1 can be manual rotation, also can be electronic or pneumatic rotation.Like this, when the right-handed thread 12 of screw rod 1 enters the threaded engagement pair when being rotated motion, under the drive of left hand thread 11, thereby left-handed nut 2 can be done axially-movable along screw rod 1 direction because of the rotation of screw rod 1 and the restriction of spanner, and because of the pitch of left hand thread 11 pitch greater than right-handed thread 12, so the axially-movable speed of left-handed nut 2 is faster than screw rod 1, thereby finish the interference installation that shaft-like work 1 is inserted thereby play hold-down apertures workpiece 2, because left-handed nut 2 does not rotatablely move, and can not cause damage to hole workpiece 2 surfaces.
Claims (2)
1. erecting tools that is used for interference fit, comprise screw rod (1) and left-handed nut (2), it is characterized in that: screw rod (1) is processed with right-handed thread (12) near the place, end, screw rod (1) is processed with left hand thread (11) near turning the place, end, the pitch of left hand thread (11) is greater than the pitch of right-handed thread (12), and left-handed nut (2) is spun on the left hand thread (11) of screw rod (1) and locates.
2, the erecting tools that is used for interference fit as claimed in claim 1 is characterized in that, the diameter of thread of left hand thread (11) is greater than the diameter of thread of right-handed thread (12).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2008201582851U CN201419377Y (en) | 2008-12-30 | 2008-12-30 | Mounting tool used for interference fit |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2008201582851U CN201419377Y (en) | 2008-12-30 | 2008-12-30 | Mounting tool used for interference fit |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201419377Y true CN201419377Y (en) | 2010-03-10 |
Family
ID=41806025
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2008201582851U Expired - Fee Related CN201419377Y (en) | 2008-12-30 | 2008-12-30 | Mounting tool used for interference fit |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201419377Y (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102922478A (en) * | 2012-06-28 | 2013-02-13 | 中国北方车辆研究所 | Interference-fit pressing mechanism |
| CN104416525A (en) * | 2013-08-23 | 2015-03-18 | 北京现代汽车有限公司 | Engine water blocking cover pulling and detaching tool and pulling and detaching method thereof |
| CN110146039A (en) * | 2019-05-15 | 2019-08-20 | 南京信息职业技术学院 | The positioning device of center of circular hole axis |
-
2008
- 2008-12-30 CN CN2008201582851U patent/CN201419377Y/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102922478A (en) * | 2012-06-28 | 2013-02-13 | 中国北方车辆研究所 | Interference-fit pressing mechanism |
| CN104416525A (en) * | 2013-08-23 | 2015-03-18 | 北京现代汽车有限公司 | Engine water blocking cover pulling and detaching tool and pulling and detaching method thereof |
| CN104416525B (en) * | 2013-08-23 | 2016-06-01 | 北京现代汽车有限公司 | Engine liquid plug lid puller and pull out discharging method |
| CN110146039A (en) * | 2019-05-15 | 2019-08-20 | 南京信息职业技术学院 | The positioning device of center of circular hole axis |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN2808416Y (en) | Plane grinding gear combined clamp | |
| CN202271200U (en) | Left and right screw thread rapid clamping device | |
| CN203448793U (en) | Slender shaft end hobbing fixture | |
| CN201419377Y (en) | Mounting tool used for interference fit | |
| CN201154435Y (en) | Fastening screw-nut disassembling machine | |
| CN102489745B (en) | Tool for processing small hole in narrow space | |
| CN110303331B (en) | Floatable automatic thread tightening mechanism and tightening method | |
| CN108054329B (en) | Full-automatic battery module locking equipment | |
| CN207447976U (en) | A kind of lathe hydraulic fixture | |
| CN201366665Y (en) | Vice | |
| CN113001458B (en) | Electric bolt screwing tool and method convenient to use | |
| CN103358260B (en) | Wind-driven generator group wheel box studs is quickly screwed matrix method and instrument | |
| CN213970988U (en) | Mounting tool for double-end stud | |
| CN201659315U (en) | Back spotfacer device of bolt hole counter bore | |
| CN201109093Y (en) | Double pointed nail assembling bushing | |
| CN108581569B (en) | Milling machine fixture for diamond-shaped workpieces | |
| CN209830932U (en) | Quick-mounting positioning and tensioning device with tripping function | |
| CN207723628U (en) | Simple hand shred return device | |
| CN207309820U (en) | A kind of efficient mechanical maintenance unit | |
| CN203092472U (en) | Rapid-change type mute pin puller | |
| CN201201214Y (en) | Hydraulic nut auxiliary device | |
| CN201895298U (en) | Device for disassembling and assembling electric spindle clamping jaw | |
| CN201329527Y (en) | Dress smooth machine device | |
| CN112171567A (en) | Universal wrench for hexagon bolt | |
| CN219005872U (en) | Universal wrench |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C56 | Change in the name or address of the patentee |
Owner name: SHANGHAI DAJUN POWER CONTROL TECHNOLOGY CO., LTD. Free format text: FORMER NAME: SHANGHAI DAJUN AUTOMATIC SYSTEM PROJECT CO., LTD. |
|
| CP03 | Change of name, title or address |
Address after: 201114, C-105, building 189, building 188, building 2, No. 1, Chun Chun Road, Shanghai, Minhang District Patentee after: Shanghai Dajun Technologies, Inc. Address before: 201107 Shanghai City, Minhang District No. 2 Building 1 -A17 Ji He Lu Patentee before: Shanghai Kinway Technologies lnc. |
|
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20100310 Termination date: 20161230 |